JPS59117319A - 誘導性近接スイツチ - Google Patents

誘導性近接スイツチ

Info

Publication number
JPS59117319A
JPS59117319A JP58121744A JP12174483A JPS59117319A JP S59117319 A JPS59117319 A JP S59117319A JP 58121744 A JP58121744 A JP 58121744A JP 12174483 A JP12174483 A JP 12174483A JP S59117319 A JPS59117319 A JP S59117319A
Authority
JP
Japan
Prior art keywords
proximity switch
coil
feeler
inductive proximity
oscillator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP58121744A
Other languages
English (en)
Japanese (ja)
Inventor
デイルク・トリユツパ−
クラウス・ヘルムレ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Balluff GmbH
Original Assignee
Balluff GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Balluff GmbH filed Critical Balluff GmbH
Publication of JPS59117319A publication Critical patent/JPS59117319A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude

Landscapes

  • Electronic Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
JP58121744A 1982-07-06 1983-07-06 誘導性近接スイツチ Pending JPS59117319A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823225193 DE3225193A1 (de) 1982-07-06 1982-07-06 Induktiver naeherungsschalter
DE32251939 1982-07-06

Publications (1)

Publication Number Publication Date
JPS59117319A true JPS59117319A (ja) 1984-07-06

Family

ID=6167727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58121744A Pending JPS59117319A (ja) 1982-07-06 1983-07-06 誘導性近接スイツチ

Country Status (3)

Country Link
US (1) US4553040A (de)
JP (1) JPS59117319A (de)
DE (1) DE3225193A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008278506A (ja) * 1996-06-13 2008-11-13 Optosys Ag 温度安定化発振器及び同発振器を含む近接スイッチ

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3514833A1 (de) * 1985-04-24 1986-11-06 Siemens AG, 1000 Berlin und 8000 München Induktiver annaeherungsschalter
US4812674A (en) * 1985-05-20 1989-03-14 Square D Company Safety gate limit switch using Hall effect transducer
DE3544809A1 (de) * 1985-10-02 1987-04-02 Turck Werner Kg Magnetfeldabhaengiger, elektronischer annaeherungsschalter
DE3616389A1 (de) * 1986-05-15 1987-11-19 Turck Werner Kg Beruehrungslos wirkender naeherungsschalter
DE3632624C1 (de) * 1986-09-25 1988-03-10 Balluff Gebhard Feinmech Stoerfeldunempfindlicher Naeherungsschalter
US4839602A (en) * 1986-11-04 1989-06-13 Philip Morris Incorporated Means for detecting metal in a stream of particulate matter
DE3714433C2 (de) * 1987-04-30 1994-04-28 Turck Werner Kg Induktiver Näherungsschalter
US5034621A (en) * 1987-12-16 1991-07-23 Eaton Corporation Inductive proximity switch exhibiting magnetic field immunity
US5227667A (en) * 1989-01-10 1993-07-13 Omron Corporation Microwave proximity switch
WO1990013180A1 (en) * 1989-04-14 1990-11-01 Eja Engineering Company Limited Safety switch assembly
DE3919916A1 (de) * 1989-06-19 1990-12-20 Pepperl & Fuchs Induktiver naeherungsschalter
US5524490A (en) * 1994-05-25 1996-06-11 Delco Electronics Corporation Inductive proximity sensor
US5801530A (en) * 1995-04-17 1998-09-01 Namco Controls Corporation Proximity sensor having a non-ferrous metal shield for enhanced sensing range
US5588593A (en) * 1995-06-05 1996-12-31 C.H. Heist Corp Safety apparatus for high pressure liquid jet system
DE19740774C2 (de) * 1996-09-18 2001-11-08 Ifm Electronic Gmbh Induktiver Näherungsschalter
US6335619B1 (en) 1997-08-22 2002-01-01 Detra Sa Inductive proximity sensor comprising a resonant oscillatory circuit responding to changes in inductive reaction
US6424145B1 (en) 2000-02-29 2002-07-23 Eldec Corporation Inductive proximity sensor for detecting ferromagnetic, non-permeable or magnet targets
CN1941628A (zh) * 2005-08-31 2007-04-04 Ifm电子股份有限公司 感应接近开关
DE102006040550B4 (de) * 2005-08-31 2010-12-30 Ifm Electronic Gmbh Induktiver Näherungsschalter
DE102007010467B4 (de) 2007-03-01 2015-09-03 Ifm Electronic Gmbh Induktiver Näherungsschalter
EP2099134B1 (de) * 2008-03-06 2012-05-23 Pepperl + Fuchs GmbH Verfahren zum Erkennen eines Vorbedämpfungszustands und induktiver Sensor mit Vorbedämpfungserkennung
DE102011102796A1 (de) * 2011-05-23 2012-11-29 Trw Automotive Electronics & Components Gmbh Positionssensor, Aktor-Sensor-Vorrichtung und Verfahren zur induktiven Erfassung einer Position

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983852A (en) * 1957-10-31 1961-05-09 Rca Corp Object detection system
US3469204A (en) * 1967-09-14 1969-09-23 Whittaker Corp Proximity sensitive on-off oscillator switch circuit
US3601620A (en) * 1969-07-18 1971-08-24 Electro Proudcts Lab Inc Power supply
US3601691A (en) * 1969-09-29 1971-08-24 Robert F Gardiner Metal detector responsive to small metallic objects for differentiating between ferrous and nonferrous objects
CH548698A (de) * 1971-03-16 1974-04-30 Mueller Harro Schaltungsanordnung zur abgabe eines annaeherungssignals bei annaeherung eines menschlichen koerperteiles.
US3743853A (en) * 1972-01-10 1973-07-03 Electro Corp America Adjustable proximity sensor
US3732503A (en) * 1972-02-11 1973-05-08 W Rapp Proximity switch including variable frequency oscillator with ferrite control element
US3747010A (en) * 1972-09-21 1973-07-17 R Buck Power supply for oscillator circuit of contactless proximity indicator
IT975218B (it) * 1972-10-11 1974-07-20 Olivetti & Co Spa Sensore di prossimita
US4323847A (en) * 1979-06-11 1982-04-06 Triple Dee Electronics Inc. Oscillator type metal detector with switch controlled fixed biasing
DE2951968C2 (de) * 1979-12-22 1984-03-29 Eduard 7303 Neuhausen Hermle Elektrischer Näherungsschalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008278506A (ja) * 1996-06-13 2008-11-13 Optosys Ag 温度安定化発振器及び同発振器を含む近接スイッチ

Also Published As

Publication number Publication date
US4553040A (en) 1985-11-12
DE3225193A1 (de) 1984-01-12

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